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US 6,895,503 B2Granted
Method and apparatus for hierarchical assignment of rights to documents and documents having such rights
AssigneeContentGuard Holdings, Inc.
InventorsBijan Tadayon, Aram Nahidipour, Xin Wang, Michael C. Raley, Guillermo Lao, Thanh T. Ta
Life of this patent
Estimating the term…
Abstract
Digital rights management allows one or more of usage rights and delegation rights to be associated with a document. Through the use of the usage rights and the delegation rights, a hierarchy of rights associated with a document is created that provides a tree-type structure of rights extending from the content owner down through one or more users.
Claims14
A rights management system comprising:
- one or more hierarchical rights;
- and
- a right management module that manages the one or more hierarchical rights;
- wherein the one or more hierarchical rights comprise one or more usage rights and delegation rights:
- and
- the delegation rights comprise at least one of distribution rights and distribution quantity.
3 more elements
A method of managing rights comprising:
- determining one or more hierarchical rights;
- and
- associating the one or more hierarchical rights with one or more digital works;
- wherein the one or more hierarchical rights comprise one or more usage rights and delegation rights;
- and
- the delegation rights comprise at least one of distribution rights and distribution quantity.
3 more elements
A digital rights management language comprising:
- one or more hierarchical usage rights;
- and
- one or more hierarchical delegation rights;
- wherein the hierarchical delegation rights comprise at least one of distribution rights and distribution quantity.
1 more element
An information storage media comprising:
- information that determines one or more hierarchical rights;
- and
- information that associates the one or more hierarchical rights with one or more digital works;
- wherein the one or more hierarchical rights comprise one or more usage rights and delegation rights;
- and
- the delegation rights comprise at least one of distribution rights and distribution quanity.
3 more elements
Dependencies are inferred from the claim text.